只有当我们中的一员时，才再多一个。欧盟电信公司国内与国际联盟形成中的合作伙伴数量与股票市场反应

One more only if it is one of us. The number of partners and the stock market reaction to domestic and international alliance formation in EU telecom firms

• Esteban García Canal
• Pablo Sánchez‐Lorda 通讯